02/03/2012 Transocean Ltd. to present at the Credit Suisse 2012 Energy Summit

01/25/2012 Transocean Ltd. Announces Management Change

01/16/2012 Transocean Ltd. Provides Fleet Status Report

01/6/2012  Transocean Ltd. Announces Redemption of Remaining Outstanding 1.50% Series B Convertible Notes of Transocean Inc.

01/5/2012  Transocean Ltd. Announces Senior Management Changes

12/15/2011  Transocean Ltd. Provides Update on Event in Brazil

12/15/2011  Transocean Ltd. Provides Fleet Update Summary

11/30/2011  Transocean Announces Proposed Senior Notes Offering

11/29/2011  Transocean Announces Proposed Share Offering

11/16/2011  Transocean Ltd. Announces Repurchase Offer for 1.50% Series B Convertible Senior Notes Due 2037 of Transocean Inc.

11/15/2011  Transocean Ltd. Provides Fleet Update Summary